T4-T6 Withdrawable Circuit Breaker Key Lock for Fixed Part

This document provides specifications and instructions for a key lock (KL) designed for the fixed part of withdrawable circuit breakers in the T4, T5, and T6 series, applicable in withdrawn or withdrawn/connected positions. It includes multilingual descriptions, part numbers (1SDH000728R0001, L3926), and notes that the lock itself must be provided by the client, with specific models like KLF-D RONIS and KLF referenced.